99069251072 has 40 divisors (see below), whose sum is σ = 215940020472. Its totient is φ = 45031475200.

The previous prime is 99069251041. The next prime is 99069251081. The reversal of 99069251072 is 27015296099.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 99069251072.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8789579 + ... + 8800842.

Almost surely, 2^99069251072 is an apocalyptic number.

It is an amenable number.

99069251072 is an abundant number, since it is smaller than the sum of its proper divisors (116870769400).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

99069251072 is a wasteful number, since it uses less digits than its factorization.

99069251072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17590450 (or 17590434 counting only the distinct ones).

The product of its (nonzero) digits is 612360, while the sum is 50.

The spelling of 99069251072 in words is "ninety-nine billion, sixty-nine million, two hundred fifty-one thousand, seventy-two".